Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat thong » luat thuong, suat thong, xuat thong
hieu lang » chieu sang, hieu quang, nhieu tang
thong dan » tuong dan, thong den, trong dan
thong van » trong van, thong va, thong quan
toan tap » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh trinh luat thong ((thong dan) or (thong van)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trinh luat thong ((thong dan) OR (thong van)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trinh luat thong ((thong dan) or (thong van)) toan tap*.